As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INSP OF OIL SCREEN METAL WAS FOUND AND INSP WAS CARRIED OUT AND FOUND THAT THE MAGNETO DRIVE GEAR WAS MISSING SEVERAL TEETH AND THE REST OF THE TEETH WHERE WORN DOWN TO ALMOST A KNIFE EDGE. IT IS ALMOST LIKE THE GEAR WAS NOT HARDENED PROPERLY.